/Engine/Source/Runtime/Engine/Public/Animation/SkeletalMeshVertexAttribute.h
Editor-only representation, stored inFSkeletalMeshLODModel
struct FSkeletalMeshModelVertexAttribute
int32
ComponentCount
The per vertex component count. Only a range of 1-4 is allowed.
ESkeletalMeshVe...
DataType
How the data should be encoded for rendering
TArray< float >
Values
The per-vertex value data, where each vertex has ComponentCount number of values.